:root {
  --black: #050505;
  --black-soft: #101010;
  --black-card: #151515;
  --red: #e50914;
  --red-dark: #9f0610;
  --white: #ffffff;
  --muted: #b8b8b8;
  --line: rgba(255, 255, 255, 0.12);
  --field: #0b0b0b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at top left, rgba(229, 9, 20, 0.22), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(229, 9, 20, 0.16), transparent 28rem),
    linear-gradient(135deg, #000000 0%, #0b0b0b 48%, #160305 100%);
  min-height: 100vh;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  text-align: center;
  padding: 38px 20px 34px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  margin-bottom: 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 10px 28px rgba(229, 9, 20, 0.32);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.hero p {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.7;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
  gap: 24px;
  align-items: start;
}

.panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025)),
    var(--black-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  backdrop-filter: blur(14px);
}

.panel-heading {
  margin-bottom: 18px;
}

.panel-heading.compact {
  margin-top: 30px;
}

.eyebrow {
  display: block;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 7px;
}

.panel h2 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

label {
  display: block;
  margin: 17px 0 8px;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  color: var(--white);
  background: var(--field);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea {
  resize: vertical;
  min-height: 150px;
}

select {
  cursor: pointer;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(229, 9, 20, 0.85);
  box-shadow: 0 0 0 4px rgba(229, 9, 20, 0.18);
  background: #070707;
}

.conditional-field {
  margin-top: 14px;
  padding: 18px;
  border: 1px solid rgba(229, 9, 20, 0.28);
  border-radius: 18px;
  background: rgba(229, 9, 20, 0.07);
}

.hidden {
  display: none;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  font-size: 0.95rem;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  box-shadow: 0 15px 34px rgba(229, 9, 20, 0.32);
}

.btn.secondary {
  color: var(--black);
  background: var(--white);
}

.btn.ghost {
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.status-message {
  min-height: 22px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.output-panel {
  position: sticky;
  top: 24px;
}

.output-box {
  min-height: 590px;
  max-height: 78vh;
  overflow: auto;
  white-space: pre-wrap;
  color: #f4f4f4;
  background:
    linear-gradient(180deg, rgba(229, 9, 20, 0.1), transparent 180px),
    #080808;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 18px;
  padding: 20px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.94rem;
  line-height: 1.65;
}

.output-box::-webkit-scrollbar {
  width: 10px;
}

.output-box::-webkit-scrollbar-thumb {
  background: var(--red-dark);
  border-radius: 999px;
}

.output-box::-webkit-scrollbar-track {
  background: #111111;
}

@media (max-width: 920px) {
  .page-shell {
    padding: 28px 0;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .output-panel {
    position: static;
  }

  .output-box {
    min-height: 360px;
    max-height: none;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .hero {
    padding: 24px 6px 26px;
  }

  .panel {
    padding: 20px;
    border-radius: 18px;
  }

  .button-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}